Product Details | RETAINING RING

5325-01-291-8176 A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.

Part Alternates: M2742640105A, MILDTL27426, MIL-DTL-27426, 5325-01-291-8176, 01-291-8176, 5325012918176, 012918176

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 06 JAN 1989 01-291-8176

Drawings & Photos | NSN 5325-01-291-8176


Demand History | NSN 5325-01-291-8176

Part Number Request Date QTY Origin
MILDTL27426 2018-04-101 1035 KR
MILDTL27426 2013-09-259 2000 CA

Cross Reference | NSN 5325-01-291-8176

Part Number Cage Code Manufacturer
M2742640105A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-DTL-27426 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5325-01-291-8176

Characteristic Specifications
MATERIAL STEEL, MIL-S-46049
STRENGTH RATING 185000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING 59.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A55 SPECIAL FLAT
INSIDE DIAMETER 0.677 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
OUTSIDE DIAMETER 0.807 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM
USAGE DESIGN INTERNAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-DTL-27426
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M2742640105A

Restrictions/Controls & Freight Information | NSN 5325-01-291-8176

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information